CN1100380C - Apparatus and method for supplying power to pulling system with DC voltage through transformer - Google Patents
Apparatus and method for supplying power to pulling system with DC voltage through transformer Download PDFInfo
- Publication number
- CN1100380C CN1100380C CN97117928A CN97117928A CN1100380C CN 1100380 C CN1100380 C CN 1100380C CN 97117928 A CN97117928 A CN 97117928A CN 97117928 A CN97117928 A CN 97117928A CN 1100380 C CN1100380 C CN 1100380C
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- Prior art keywords
- voltage
- supply
- trailer system
- power supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/30—Electric propulsion with power supply external to the vehicle using ac induction motors fed from different kinds of power-supply lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Rectifiers (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Inverter Devices (AREA)
- Direct Current Feeding And Distribution (AREA)
- Arc Welding Control (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
- Generation Of Surge Voltage And Current (AREA)
- Dc-Dc Converters (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Control Of Direct Current Motors (AREA)
Abstract
A device and a method for direct current voltage power supply to a traction system by means of converters from different alternating current or direct current voltages available on a power supply line. The power supply device of said traction system is supplied with power by means of a first power supply element and a second power supply element connected to the said power supply line. The character of the said supply device of the traction system is, the said first power supply element is connected to the primary winding of the power supply transformer by a first connection element. The second power supply element is connected either to the power supply terminal of the traction system or to the mid-point of the series converters by a second connection element.
Description
The present invention relates generally to the trailer system (haulage chain) in the railway territory particularly, especially at be device and method from converter to trailer system that supply with direct voltage by different interchanges or direct voltage by.
French Patent (FRP) FR 2 713 565 (with applicant's name application) relates to a kind of " the high random multiple current electric power system that railway locomotive is used " (SYSTEME D ' ALIMENTATIONMULTICOURANT A HAUTE DISPONIBILITE POUR ENGIN DELOCOMOTIVE FERROVIAIRE).
This patent is pointed out: trailer system (haulage chain), the trailer system that asynchronous motor for example is housed just must dc voltage power supply.
This patent is also mentioned: the different kinds of railways vehicle all moves on the supply power voltage electrical network different and different according to the region more and more.
Such as the voltage that can run into 25KV (kilovolt) is arranged, 50Hz (conspicuous); 15KV, 16 2/3Hz; 3KV DC or 1.5KV DC (direct current).
In the prior art, all using for every kind of supply power voltage by the device that difference exchanges or direct voltage utilizes converter to supply with direct voltage to trailer system all is special-purpose respectively converter.
In other words, in the prior art, utilize converter to carry out the device of DC-voltage supply to trailer system, for instance, use array apparatus down by various interchanges or direct voltage.
-force the single-phase electric bridge or the Graetz electric bridge of exchange at having of AC power,
Link the required supply power voltage of system if DC power supply voltage (DC) surpasses, just to use dropping equipment, chopper (voltage limiter) for example,
If-power supply DC (direct current) voltage is lower than the required supply power voltage of trailer system then uses increasing apparatus.
Therefore purpose of the present invention is exactly a kind of device and method that utilizes converter to be powered to trailer system with the direct voltage form by various different interchanges or direct voltage, and it can use same converter (for different voltages).
According to the present invention, to the device and method of trailer system power supply following feature is arranged with the direct voltage form through converter by different interchanges or direct voltage:
Of the present invention is to have reduced the equipment that needs installation in the trailer system by the advantage that difference exchanges or direct voltage is supplied with the device and method of direct voltage by converter to trailer system, this is that converter can reuse because under available various voltages.
Cause not having converter to be in always not user mode thus, thereby occupation mode is different from prior art.
Of the present invention is the quantity that reduced contactor with the direct voltage form to another advantage of the device and method of trailer system power supply by converter by different interchanges or direct voltage, particularly just all the more so under the situation of 1500V (volt) power supply.
Of the present invention by difference exchange or direct voltage to utilize converter be to have cancelled inductance with the direct voltage form to the another advantage of the apparatus and method of trailer system power supply.
Of the present invention is that power supply output to trailer system always on same terminal to trailer system by the another one advantage of the device and method of DC-voltage supply by different interchanges or direct voltage by converter.
The invention provides a kind of by available different exchange or direct voltage utilizes the electric supply installation of converter to trailer system feed direct voltage on the supply lines, described AC-dc converter is installed in series, so that a mid point is arranged, described AC-dc converter links to each other with the second subprime coil with first secondary coil of the power transformer that a primary coil is arranged respectively in AC side, the DC side of this AC-dc converter provides described direct current supply voltage to the power supply terminal of described trailer system, the electric supply installation of above-mentioned trailer system is by first power supply component and second power supply component power supply, these two power supply components link to each other with above-mentioned supply lines on the one hand, the above-mentioned electric supply installation of above-mentioned trailer system is characterised in that: described first power supply component is connected with the primary coil of above-mentioned power transformer by first Connection Element again on the other hand, and above-mentioned second power supply component or can link to each other with the aforementioned power supply terminal of above-mentioned trailer system perhaps links to each other with the above-mentioned mid point of above-mentioned series transformer by second Connection Element.
The present invention also provides by available different interchanges or direct voltage on the supply lines and has utilized the method for supplying power to of converter to trailer system feed direct voltage, described AC-dc converter is installed in series, so that a mid point is arranged, described AC-dc converter links to each other with the second subprime coil with first secondary coil of the power transformer that a primary coil is arranged respectively in AC side, the DC side of this AC-dc converter provides described direct current supply voltage to the power supply terminal of described trailer system, the electric supply installation of above-mentioned trailer system is by first power supply component and second power supply component power supply, these two power supply components link to each other with above-mentioned supply lines on the one hand, above-mentioned method to above-mentioned trailer system power supply is characterised in that this method comprises such step, promptly when spendable supply power voltage is alternating voltage on the described electric wire, on the one hand aforementioned first power supply component is linked to each other with the described primary coil of above-mentioned power transformer by first Connection Element, perhaps, on the other hand, when spendable supply power voltage on the described supply lines is when equaling the direct voltage of the required supply power voltage of trailer system, perhaps above-mentioned second power supply component linked to each other with the power supply terminal of trailer system C by second Connection Element, perhaps when spendable supply power voltage on the described supply lines when approximately being half direct voltage of the required supply power voltage of trailer system, by above-mentioned second Connection Element above-mentioned second power supply component is linked to each other with the above-mentioned mid point of above-mentioned series transformer.
Hereinafter exchange or direct voltage is supplied with the explanation of most preferred embodiment of the device and method of direct voltage to trailer system by converter by reading, can disclose some other purpose of the present invention, feature and advantage by difference.This explanation is got in touch some accompanying drawings and is carried out, wherein:
-Fig. 1 has briefly expressed the device that utilizes converter to power to trailer system with the form of direct voltage by different AC and DC voltage of the present invention.
It is alternating voltage U that-Fig. 2 has expressed at available supply power voltage
ACSituation under the reduced graph of electric supply installation of the present invention among Fig. 1.
-Fig. 3 has represented another reduced graph of electric supply installation of the present invention among Fig. 1, and at this moment, available supply voltage is the direct voltage U that its value equals the required supply power voltage of trailer system
1DC,
Fig. 4 has represented the another reduced graph of the electric supply installation of the present invention among Fig. 1, and at this moment, available supply voltage is direct voltage U
2DC, it is about half of the required supply power voltage of trailer system.
-Fig. 5 to 7 be of the present invention by different interchanges or direct voltage by converter with the reduced graph of direct voltage to some other execution mode of the device of trailer system power supply.
Fig. 1 shows of the present invention by different interchanges or direct voltage U with schematic
AC, U
DCUtilize converter 1,2 to trailer system C with direct voltage U
1DCThe device of power supply.
Different interchanges or direct voltage U
AC, U
DCCan obtain from supply lines 9.
AC-dc converter the 1, the 2nd, series connection so that there is a mid point 10.
Interchange AC one side of AC-dc converter 1,2 is connected on respectively on first secondary coil 3 and second subprime coil 4 of power transformer 5 of a primary coil 6.
AC-dc converter 1,2 provides the direct current supply voltage U at the power supply terminal 7 of direct current DC one side direction trailer system C
1DC
Trailer system C, the known way by prior art contains at least one traction motor (motor) (not showing among the figure) and the some converter (not shown)s that can regulate the traction motor working point.The supply power voltage U of system C
1DCIt is direct voltage.
The electric supply installation of trailer system C is by the first power supply component 8A and second power supply component 8B power supply, and the end of the two is connected with supply lines 9 respectively.
According to a principal character of the present invention, the electric supply installation of trailer system C is such, promptly, the end of first power supply component 8A can be connected with the primary coil 6 of power transformer 5 by the first Connection Element 11A, the end of the second power supply component 8B then can be connected by the second Connection Element 11B or with the power supply terminal 7 of trailer system C, or links to each other with the mid point 10 of series transformer 1,2.
Converter 1,2 can be for example to force the single-phase electric bridge PMCF of exchange.
Like this, power transformer 5 and converter 1,2 can be realized the DC of trailer system is powered by following supply power voltage:
-various alternating voltage U
AC,
-equal the direct voltage U of the required supply power voltage of trailer system
1DC,
-approximate half direct voltage U of the required supply power voltage of trailer system
2DC
As below will describing in detail more, the function of inverter and rectifier can be born by converter 1,2 respectively with the difference that trailer system is in braking or traction state.
The configuration of above-mentioned functions (on converter) realizes by first Connection Element (11A) and second Connection Element (11B).
It is alternating voltage U that Fig. 2 has expressed available supply voltage
ACThe time Fig. 1 in the reduced graph of electric supply installation of the present invention.
The electric supply installation of trailer system is powered by the first power supply component 8A, and an end of this power supply component is connected with supply lines 9, and the other end is connected with the primary coil 6 of power transformer 5.
The converter 1,2 of two series connection is with U
1DCVoltage is powered to trailer system C.
Each converter 1,2 only is about U at its output end voltage
1DC/ 2.
Available supply voltage U
ACEqual, for example 25kV, 50Hz or 15kV, 16 2/3Hz.
It is the direct voltage U that equals the required supply power voltage of trailer system that Fig. 3 has expressed available supply voltage
1DCThe time Fig. 1 in the reduced graph of electric supply installation of the present invention.
Wherein, the electric supply installation of trailer system C is powered by the second power supply component 8B, and an end of this power supply component is connected with supply lines 9, and the other end is connected with trailer system power supply terminal 7.
Trailer system C is preferably by a filter 12, such as inductance and the power supply of capacitor type filter.
Under this figure situation, power transformer 5 and converter 1,2 cut little ice.
Of the present inventionly be exactly for an advantage of the device of trailer system feed direct voltage by different interchanges or direct voltage here by converter: the capacitor 14 that matches with converter can be realized the function that filter 12 is all or part of.
Direct voltage U
1DCEqual, for example 3000V.
It is to be about half direct voltage U of the required supply power voltage of trailer system that Fig. 4 has expressed available supply voltage
2DCThe time Fig. 1 in the reduced graph of electric supply installation of the present invention.
The electric supply installation of trailer system C is powered by the second power supply component 8B, and an end of this element is connected with supply lines 9, and the other end links to each other with the mid point 10 of series transformer 1,2.
Therefore supply unit is that mid point 10 from series transformer 1,2 obtains power supply.
Under this layout situation, one of them converter 2 is pressed the work of inverter mode and is imported electric energy by the secondary coil 4 that links to each other with this converter 2 to power transformer 5.
Second converter 1 makes its output keep following voltage U with work of rectifier mode and utilization by above-mentioned converter 2 power supplies:
U＝U
1DC-U
2DC
The function of above-mentioned inverter and rectifier is in the different of braking or traction operating state with trailer system and is born by converter 1,2 respectively.
Direct voltage U
2DCEqual, for example 1500V DC.
Fig. 5 to 7 shows and is of the present inventionly exchanged or direct voltage carries out the sketch of other several execution modes of the device of direct current supply to trailer system by converter by difference.
In this class embodiment, power transformer has one and augments coil 13.
The coil 13 of augmenting of this power transformer 5 is for example powered to the auxiliary circuit of trailer system to another circuit.
Fig. 5 is that available supply power voltage is the rough schematic view of patent electric supply installation of the present invention during A under the alternating voltage U.
This embodiment is corresponding to the common operating state of the coil transformer of inferior-defective level more than.
Fig. 6 also is a rough schematic view of electric supply installation of the present invention, and this moment, available supply power voltage was direct voltage U
1DC, it equals the supply power voltage of trailer system.
According to the embodiment of this variation, converter 1,2 is augmented coil 13 power supplies with inverter or the work of rectifier mode and by magnetic coupling interaction to power transformer 5.
Fig. 7 is the another rough schematic view of electric supply installation of the present invention, and wherein available supply voltage is direct voltage U
2DC, approximate half of the required supply voltage of trailer system.
According to the embodiment of this variation, one of them converter is worked by the inverter mode, and part energy can be used by the coil 13 of augmenting of power transformer 5.
Realized by aforementioned means a kind of by converter 1,2 by the different direct currents or the alternating voltage U that can obtain from supply lines 9
AC, U
DCTo trailer system C with direct voltage U
1DCThe method of power supply.
AC-dc converter the 1, the 2nd is installed in series, and making has a mid point 10.
The interchange AC both sides of AC-dc converter 1,2 are connected with second subprime coil 4 with first secondary coil 3 of the power transformer 5 of being with primary coil 6 respectively.
AC-dc converter 1,2 provides direct voltage U at DC side DC to the power supply terminal 7 of trailer system C
1DC
The electric supply installation of above-mentioned trailer system C is by the first power supply component 8A and second power supply component 8B power supply, and these two power supply components are connected with above-mentioned supply lines 9 respectively.
The above-mentioned method of supplying power to of trailer system C comprises such step, that is, available supply voltage is alternating voltage V on aforementioned supply lines 9
ACThe time, the first power supply component 8A is connected with the primary coil 6 of power transformer 5 by first Connection Element 11A, perhaps the used supply voltage on described supply lines 9 is the direct voltage U that equals the required supply power voltage of trailer system C
1DCThe time, the second power supply component 8B is connected on the power supply terminal 7 of trailer system C by the second Connection Element 11B, perhaps spendable supply voltage is to be about half direct voltage U of the required supply power voltage of trailer system C on the supply lines 9
2DCThe time, above-mentioned power supply component 8B just links to each other with the mid point 10 of series transformer 1,2 by connector 11B.
Claims (9)
1. go up available different the interchange or direct voltage (U by supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) electric supply installation, described AC-dc converter (1,2) is installed in series, so that a mid point (10) is arranged, described AC-dc converter (1,2) links to each other with second subprime coil (4) with first secondary coil (3) of the power transformer that a primary coil (6) are arranged (5) respectively in interchange (AC) side, and the power supply terminal (7) of the described trailer system of direct current (DC) side direction (C) of this AC-dc converter (1,2) provides described direct current supply voltage (U
1DC), the electric supply installation of above-mentioned trailer system (C) is by first power supply component (8A) and second power supply component (8B) power supply, these two power supply components link to each other with above-mentioned supply lines (9) on the one hand, the above-mentioned electric supply installation of above-mentioned trailer system (C) is characterised in that: described first power supply component (8A) is connected with the primary coil (6) of above-mentioned power transformer (5) by first Connection Element (11A) again on the other hand, and above-mentioned second power supply component (8B) or can link to each other with the aforementioned power supply terminal (7) of above-mentioned trailer system (C), perhaps by second Connection Element (11B) and above-mentioned series transformer (1,2) above-mentioned mid point (10) links to each other.
2. according to claim 1 by upward available different the interchange or direct voltage (U of supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) electric supply installation, it is characterized in that: the dc voltage power supply of described trailer system (C) is to be realized by the direct voltage that equals the required supply voltage of above-mentioned trailer system (C).
3. according to claim 1 by upward available different the interchange or direct voltage (U of supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) electric supply installation, it is characterized in that: the dc voltage power supply of described trailer system (C) is to realize by being approximately half direct voltage of the required supply power voltage of above-mentioned trailer system (C).
4. according to claim 1 by upward available different the interchange or direct voltage (U of supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) electric supply installation, it is characterized in that: the dc voltage power supply of described trailer system (C) produces from any alternating voltage.
5. go up available different the interchange or direct voltage (U according to arbitrary claim in claim 3 or 4 is described by supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) electric supply installation, it is characterized in that the power supply of described trailer system (C) needs by means of a filter.
6. according to claim 5 by upward available different the interchange or direct voltage (U of supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) electric supply installation, it is characterized in that described filter (12) comprises some capacitors, all or part of of these capacitors is the capacitor that is connected with above-mentioned converter (1,2).
7. device according to claim 1 is characterized in that above-mentioned power transformer (5) has an interpole coil (13).
8. according to claim 1 by upward available different the interchange or direct voltage (U of supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) electric supply installation, it is characterized in that described converter (1,2) is a single-phase electricity bridge type of forcing exchange.
9. go up available different the interchange or direct voltage (U by supply lines (9)
AC, U
DC) utilize converter (1,2) to trailer system (C) feed direct voltage (U
1DC) method of supplying power to, described AC-dc converter (1,2) is installed in series, so that a mid point (10) is arranged, described AC-dc converter (1,2) links to each other with second subprime coil (4) with first secondary coil (3) of the power transformer that a primary coil (6) are arranged (5) respectively in interchange (AC) side, and the power supply terminal (7) of the described trailer system of direct current (DC) side direction (C) of this AC-dc converter (1,2) provides described direct current supply voltage (U
1DC), the electric supply installation of above-mentioned trailer system (C) is by first power supply component (8A) and second power supply component (8B) power supply, these two power supply components link to each other with above-mentioned supply lines (9) on the one hand, above-mentioned method to above-mentioned trailer system (C) power supply is characterised in that this method comprises such step, and promptly going up spendable supply power voltage when described electric wire (9) is alternating voltage (U
AC) time, on the one hand aforementioned first power supply component (8A) is linked to each other with the described primary coil (6) of above-mentioned power transformer (5) by first Connection Element (11A), perhaps, on the other hand, going up spendable supply power voltage when described supply lines (9) is when equaling the direct voltage of the required supply power voltage of trailer system (C), perhaps above-mentioned second power supply component (8B) linked to each other with the power supply terminal (7) of trailer system C by second Connection Element (11B), perhaps go up spendable supply power voltage when approximately being half direct voltage of the required supply power voltage of trailer system (C), make above-mentioned second power supply component (8B) and above-mentioned series transformer (1 by above-mentioned second Connection Element (11B) when described supply lines (9), 2) above-mentioned mid point (10) links to each other.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9610713 | 1996-09-03 | ||
| FR9610713A FR2752781B1 (en) | 1996-09-03 | 1996-09-03 | DEVICE AND METHOD FOR SUPPLYING A CONTINUOUS VOLTAGE TO A TRACTION CHAIN BY MEANS OF CONVERTERS FROM VARIOUS ALTERNATIVE OR CONTINUOUS VOLTAGES |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1176524A CN1176524A (en) | 1998-03-18 |
| CN1100380C true CN1100380C (en) | 2003-01-29 |
Family
ID=9495381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97117928A Expired - Lifetime CN1100380C (en) | 1996-09-03 | 1997-09-02 | Apparatus and method for supplying power to pulling system with DC voltage through transformer |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US5886889A (en) |
| EP (1) | EP0826550B1 (en) |
| JP (1) | JP3945867B2 (en) |
| KR (1) | KR100436534B1 (en) |
| CN (1) | CN1100380C (en) |
| AT (1) | ATE245551T1 (en) |
| AU (1) | AU699992B2 (en) |
| BR (1) | BR9704588A (en) |
| CA (1) | CA2213856C (en) |
| DE (1) | DE69723629T2 (en) |
| DK (1) | DK0826550T3 (en) |
| ES (1) | ES2203769T3 (en) |
| FR (1) | FR2752781B1 (en) |
| PT (1) | PT826550E (en) |
| RU (1) | RU2175918C2 (en) |
| TW (1) | TW343948B (en) |
| UA (1) | UA45388C2 (en) |
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- 1997-08-11 AT AT97401917T patent/ATE245551T1/en active
- 1997-08-11 ES ES97401917T patent/ES2203769T3/en not_active Expired - Lifetime
- 1997-08-11 PT PT97401917T patent/PT826550E/en unknown
- 1997-08-11 EP EP97401917A patent/EP0826550B1/en not_active Expired - Lifetime
- 1997-08-11 DK DK97401917T patent/DK0826550T3/en active
- 1997-08-29 AU AU36091/97A patent/AU699992B2/en not_active Ceased
- 1997-08-29 US US08/921,011 patent/US5886889A/en not_active Expired - Lifetime
- 1997-09-01 UA UA97094435A patent/UA45388C2/en unknown
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| CN101282854B (en) * | 2005-08-03 | 2011-04-20 | Abb技术有限公司 | Multilevel converter and method of converting a supply voltage |
| CN104038084A (en) * | 2013-03-08 | 2014-09-10 | 英飞凌科技股份有限公司 | Rectifier Circuit |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR100436534B1 (en) | 2005-04-06 |
| DK0826550T3 (en) | 2003-11-17 |
| ES2203769T3 (en) | 2004-04-16 |
| EP0826550B1 (en) | 2003-07-23 |
| JP3945867B2 (en) | 2007-07-18 |
| US5886889A (en) | 1999-03-23 |
| PT826550E (en) | 2003-10-31 |
| CN1176524A (en) | 1998-03-18 |
| KR19980024261A (en) | 1998-07-06 |
| BR9704588A (en) | 1998-12-29 |
| JPH1094108A (en) | 1998-04-10 |
| TW343948B (en) | 1998-11-01 |
| CA2213856C (en) | 2004-01-13 |
| DE69723629T2 (en) | 2004-04-15 |
| FR2752781B1 (en) | 1998-10-02 |
| CA2213856A1 (en) | 1998-03-03 |
| AU3609197A (en) | 1998-03-12 |
| AU699992B2 (en) | 1998-12-17 |
| RU2175918C2 (en) | 2001-11-20 |
| DE69723629D1 (en) | 2003-08-28 |
| FR2752781A1 (en) | 1998-03-06 |
| ATE245551T1 (en) | 2003-08-15 |
| UA45388C2 (en) | 2002-04-15 |
| EP0826550A1 (en) | 1998-03-04 |
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